TacticalReload Posted December 20, 2011 Share Posted December 20, 2011 So I noticed that Glock has started releasing a new factory 22 round mag in .40. Has anyone tried using these mags with one of the various mag extensions? If so, are they reliable? How many rounds can you get into them? Are they the correct length to be in Open? (that last question is probably the most important) Quote Link to comment Share on other sites More sharing options...
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